MESON Chess Problem Database

Problem Display
PID: 207121 (1B6/1p6/pP1p4/k2P4/P7/3N2pP/1N4P1/5KQ1 w - - 0 1)

Wormald, Robert Bownas

Cassell's Illustrated Family Paper, 1866

1B6/1p6/pP1p4/k2P4/P7/3N2pP/1N4P1/5KQ1

#2

10 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sc5?
      • 1...Kxb6
        • 2.Sc4#
        • 2.Sb3#
      • 1...dxc5
        • 2.Qxc5#
      • 1...Kb4!
    • 1.Se5?
      • 1...dxe5
        • 2.Qc5#
      • 1...Kb4!
    • 1.Qh2?
      • 1...Kxb6
        • 2.Sc4#
      • 1...gxh2!
  • Keys
    • 1.Qh1!
      • 1...Kxb6
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Vars
        • P(d);OGATE,XS(E)::QAR2(B),XP(d)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(E);
      • Vars
        • P(d);N_GUARD,XS(E)::QAR2(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(b);S_FLIGHT,XP(I)::S(C)
      • Refutation
        • P(a);XQ(B)
  • Actual
    • Q(B);
    • Vars
      • K(b);S_FLIGHT,XP(I)::S(C)
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